/* -------------------------------------------------------------------------------

Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

----------------------------------------------------------------------------------

This code has been altered significantly from its original form, to support
several games based on the Quake III Arena engine, in the form of "Q3Map2."

------------------------------------------------------------------------------- */



/* marker */
#define BSP_C



/* dependencies */
#include "q3map2.h"



/* -------------------------------------------------------------------------------

functions

------------------------------------------------------------------------------- */

/*
ProcessAdvertisements()
copies advertisement info into the BSP structures
*/

static void ProcessAdvertisements(void)
{
	int             i;
	const char     *className;
	const char     *modelKey;
	int             modelNum;
	bspModel_t     *adModel;
	bspDrawSurface_t *adSurface;

	Sys_FPrintf(SYS_VRB, "--- ProcessAdvertisements ---\n");

	for(i = 0; i < numEntities; i++)
	{

		/* is an advertisement? */
		className = ValueForKey(&entities[i], "classname");

		if(!Q_stricmp("advertisement", className))
		{

			modelKey = ValueForKey(&entities[i], "model");

			if(strlen(modelKey) > MAX_QPATH - 1)
			{
				Error("Model Key for entity exceeds ad struct string length.");
			}
			else
			{
				if(numBSPAds < MAX_MAP_ADVERTISEMENTS)
				{
					bspAds[numBSPAds].cellId = IntForKey(&entities[i], "cellId");
					strncpy(bspAds[numBSPAds].model, modelKey, sizeof(bspAds[numBSPAds].model));

					modelKey++;
					modelNum = atoi(modelKey);
					adModel = &bspModels[modelNum];

					if(adModel->numBSPSurfaces != 1)
					{
						Error("Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId);
					}

					adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];

					// store the normal for use at run time.. all ad verts are assumed to 
					// have identical normals (because they should be a simple rectangle)
					// so just use the first vert's normal
					VectorCopy(bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal);

					// store the ad quad for quick use at run time
					if(adSurface->surfaceType == MST_PATCH)
					{
						int             v0 = adSurface->firstVert + adSurface->patchHeight - 1;
						int             v1 = adSurface->firstVert + adSurface->numVerts - 1;
						int             v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
						int             v3 = adSurface->firstVert;

						VectorCopy(bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0]);
						VectorCopy(bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1]);
						VectorCopy(bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2]);
						VectorCopy(bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3]);
					}
					else
					{
						Error("Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId);
					}

					numBSPAds++;
				}
				else
				{
					Error("Maximum number of map advertisements exceeded.");
				}
			}
		}
	}

	Sys_FPrintf(SYS_VRB, "%9d in-game advertisements\n", numBSPAds);
}

/*
SetCloneModelNumbers() - ydnar
sets the model numbers for brush entities
*/

static void SetCloneModelNumbers(void)
{
	int             i, j;
	entity_t       *ent;
	int             models;
	char            modelValue[10];
	const char     *value, *value2, *value3;
	const char     *classname;
	const char     *model;


	/* start with 1 (worldspawn is model 0) */
	models = 1;
	for(i = 1; i < numEntities; i++)
	{
		ent = &entities[i];

		classname = ValueForKey(ent, "classname");
		model = ValueForKey(ent, "model");

		/* only entities with brushes or patches get a model number */
		if(ent->brushes || ent->patches ||
		   (inlineEntityModels && !ent->brushes && !ent->patches && model[0] != '\0' && Q_stricmp("misc_model", classname)))
		{
			/* is this a clone? */
			/*
			   value = ValueForKey(&entities[i], "_clone");
			   if(value[0] != '\0')
			   continue;
			 */

			/* add the model key */
			sprintf(modelValue, "*%d", models);
			SetKeyValue(&entities[i], "model", modelValue);

			/* increment model count */
			models++;
		}
	}

#if 0
	/* fix up clones */
	for(i = 1; i < numEntities; i++)
	{
		/* only entities with brushes or patches get a model number */
		if(entities[i].brushes == NULL && entities[i].patches == NULL)
			continue;

		/* is this a clone? */
		value = ValueForKey(&entities[i], "_ins");
		if(value[0] == '\0')
			value = ValueForKey(&entities[i], "_instance");
		if(value[0] == '\0')
			value = ValueForKey(&entities[i], "_clone");
		if(value[0] == '\0')
			continue;

		/* find an entity with matching clone name */
		for(j = 0; j < numEntities; j++)
		{
			/* is this a clone parent? */
			value2 = ValueForKey(&entities[j], "_clonename");
			if(value2[0] == '\0')
				continue;

			/* do they match? */
			if(strcmp(value, value2) == 0)
			{
				/* get the model num */
				value3 = ValueForKey(&entities[j], "model");
				if(value3[0] == '\0')
				{
					Sys_Printf("WARNING: Cloned entity %s referenced entity without model\n", value2);
					continue;
				}
				models = atoi(&value2[1]);

				/* add the model key */
				sprintf(modelValue, "*%d", models);
				SetKeyValue(&entities[i], "model", modelValue);

				/* nuke the brushes/patches for this entity (fixme: leak!) */
				entities[i].brushes = NULL;
				entities[i].patches = NULL;
			}
		}
	}
#endif
}



/*
FixBrushSides() - ydnar
matches brushsides back to their appropriate drawsurface and shader
*/

static void FixBrushSides(entity_t * e)
{
	int             i;
	mapDrawSurface_t *ds;
	sideRef_t      *sideRef;
	bspBrushSide_t *side;


	/* note it */
	Sys_FPrintf(SYS_VRB, "--- FixBrushSides ---\n");

	/* walk list of drawsurfaces */
	for(i = e->firstDrawSurf; i < numMapDrawSurfs; i++)
	{
		/* get surface and try to early out */
		ds = &mapDrawSurfs[i];
		if(ds->outputNum < 0)
			continue;

		/* walk sideref list */
		for(sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next)
		{
			/* get bsp brush side */
			if(sideRef->side == NULL || sideRef->side->outputNum < 0)
				continue;
			side = &bspBrushSides[sideRef->side->outputNum];

			/* set drawsurface */
			side->surfaceNum = ds->outputNum;
			//% Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );

			/* set shader */
			if(strcmp(bspShaders[side->shaderNum].shader, ds->shaderInfo->shader))
			{
				//% Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
				side->shaderNum =
					EmitShader(ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags);
			}
		}
	}
}



int PortalVisibleSides(portal_t * p)
{
	int             fcon, bcon;

	if(!p->onnode)
		return 0;				// outside

	fcon = p->nodes[0]->opaque;
	bcon = p->nodes[1]->opaque;

	// same contents never create a face
	if(fcon == bcon)
		return 0;

	if(!fcon)
		return 1;
	if(!bcon)
		return 2;
	return 0;
}

static void DrawPortal(portal_t * p, qboolean areaportal)
{
	winding_t      *w;
	int             sides;

	sides = PortalVisibleSides(p);
	if(!sides)
		return;

	w = p->winding;

	if(sides == 2)				// back side
		w = ReverseWinding(w);

	if(areaportal)
	{
		Draw_AuxWinding(w);
	}
	else
	{
		Draw_Winding(w);
	}

	if(sides == 2)
		FreeWinding(w);
}

static void DrawTreePortals_r(node_t * node)
{
	int             s;
	portal_t       *p, *nextp;
	winding_t      *w;

	if(node->planenum != PLANENUM_LEAF)
	{
		DrawTreePortals_r(node->children[0]);
		DrawTreePortals_r(node->children[1]);
		return;
	}

	// draw all the portals
	for(p = node->portals; p; p = p->next[s])
	{
		w = p->winding;
		s = (p->nodes[1] == node);

		if(w)					// && p->nodes[0] == node)
		{
			if(PortalPassable(p))
				continue;

			DrawPortal(p, node->areaportal);
		}
	}
}

static tree_t  *drawTree = NULL;
static void DrawTreePortals(void)
{
	DrawTreePortals_r(drawTree->headnode);
}


static void DrawTreeNodes_r(node_t * node)
{
	int             s;
	portal_t       *p, *nextp;
	winding_t      *w;
	vec4_t			leafColor = {0, 0, 1, 0.3};

	if(node->planenum != PLANENUM_LEAF)
	{
		DrawTreeNodes_r(node->children[0]);
		DrawTreeNodes_r(node->children[1]);
		return;
	}

	Draw_AABB(vec3_origin, node->mins, node->maxs, leafColor);
}
static void DrawNodes(void)
{
	DrawTreeNodes_r(drawTree->headnode);
}



/*
ProcessWorldModel()
creates a full bsp + surfaces for the worldspawn entity
*/

void ProcessWorldModel(void)
{
	int             i, s;
	entity_t       *e;
	tree_t         *tree;
	face_t         *faces;
	qboolean        ignoreLeaks, leaked;
#if defined(USE_XML)
	xmlNodePtr      polyline, leaknode;
#endif
	char            level[2], shader[1024];
	const char     *value;

	/* sets integer blockSize from worldspawn "_blocksize" key if it exists */
	value = ValueForKey(&entities[0], "_blocksize");
	if(value[0] == '\0')
		value = ValueForKey(&entities[0], "blocksize");
	if(value[0] == '\0')
		value = ValueForKey(&entities[0], "chopsize");	/* sof2 */
	if(value[0] != '\0')
	{
		/* scan 3 numbers */
		s = sscanf(value, "%d %d %d", &blockSize[0], &blockSize[1], &blockSize[2]);

		/* handle legacy case */
		if(s == 1)
		{
			blockSize[1] = blockSize[0];
			blockSize[2] = blockSize[0];
		}
	}
	Sys_Printf("block size = { %d %d %d }\n", blockSize[0], blockSize[1], blockSize[2]);

	/* sof2: ignore leaks? */
	value = ValueForKey(&entities[0], "_ignoreleaks");	/* ydnar */
	if(value[0] == '\0')
		value = ValueForKey(&entities[0], "ignoreleaks");
	if(value[0] == '1')
		ignoreLeaks = qtrue;
	else
		ignoreLeaks = qfalse;

	/* begin worldspawn model */
	BeginModel();
	e = &entities[0];
	e->firstDrawSurf = 0;

	/* ydnar: gs mods */
	ClearMetaTriangles();

	/* check for patches with adjacent edges that need to lod together */
	PatchMapDrawSurfs(e);

	/* build an initial bsp tree using all of the sides of all of the structural brushes */
	faces = MakeStructuralBSPFaceList(entities[0].brushes);
	tree = FaceBSP(faces);
	MakeTreePortals(tree);
	FilterStructuralBrushesIntoTree(e, tree);

#if 0
	if(drawBSP)
	{
		// draw unoptimized portals in new window
		drawTree = tree;
		Draw_Scene(DrawTreePortals);
	}
#endif

	/* see if the bsp is completely enclosed */
	if(FloodEntities(tree) || ignoreLeaks)
	{
		/* rebuild a better bsp tree using only the sides that are visible from the inside */
		FillOutside(tree->headnode);

		/* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
		ClipSidesIntoTree(e, tree);

		/* build a visible face tree */
		faces = MakeVisibleBSPFaceList(entities[0].brushes);
		FreeTree(tree);
		tree = FaceBSP(faces);
		MakeTreePortals(tree);
		FilterStructuralBrushesIntoTree(e, tree);
		leaked = qfalse;

		/* ydnar: flood again for skybox */
		if(skyboxPresent)
			FloodEntities(tree);
	}
	else
	{
		Sys_FPrintf(SYS_NOXML, "**********************\n");
		Sys_FPrintf(SYS_NOXML, "******* leaked *******\n");
		Sys_FPrintf(SYS_NOXML, "**********************\n");
#if defined(USE_XML)
		polyline = LeakFile(tree);
		leaknode = xmlNewNode(NULL, "message");
		xmlNodeSetContent(leaknode, "MAP LEAKED\n");
		xmlAddChild(leaknode, polyline);
		level[0] = (int)'0' + SYS_ERR;
		level[1] = 0;
		xmlSetProp(leaknode, "level", (char *)&level);
		xml_SendNode(leaknode);
#else
		LeakFile(tree);
#endif
		if(leaktest)
		{
			Sys_Printf("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
			exit(0);
		}
		leaked = qtrue;

		/* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
		ClipSidesIntoTree(e, tree);
	}

#if 0
	if(drawBSP)
	{
		// draw unoptimized portals in new window
		drawTree = tree;
		Draw_Scene(DrawTree);
	}
#endif

	/* save out information for visibility processing */
	NumberClusters(tree);
	if(!leaked)
		WritePortalFile(tree);

	/* flood from entities */
	FloodAreas(tree);

	/* create drawsurfs for triangle models */
	AddTriangleModels(e);

	/* create drawsurfs for surface models */
	AddEntitySurfaceModels(e);

	/* generate bsp brushes from map brushes */
	EmitBrushes(e->brushes, &e->firstBrush, &e->numBrushes);

	/* add references to the detail brushes */
	FilterDetailBrushesIntoTree(e, tree);

	/* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
	if(!nofog)
		FogDrawSurfaces(e);

	/* subdivide each drawsurf as required by shader tesselation */
	if(!nosubdivide)
		SubdivideFaceSurfaces(e, tree);

	/* add in any vertexes required to fix t-junctions */
	if(!notjunc)
		FixTJunctions(e);

	/* ydnar: classify the surfaces */
	ClassifyEntitySurfaces(e);

	/* ydnar: project decals */
	MakeEntityDecals(e);

	/* ydnar: meta surfaces */
	MakeEntityMetaTriangles(e);
	SmoothMetaTriangles();
	FixMetaTJunctions();
	MergeMetaTriangles();

	/* ydnar: debug portals */
	if(debugPortals)
		MakeDebugPortalSurfs(tree);

	/* ydnar: fog hull */
	value = ValueForKey(&entities[0], "_foghull");
	if(value[0] != '\0')
	{
		sprintf(shader, "textures/%s", value);
		MakeFogHullSurfs(e, tree, shader);
	}

	/* ydnar: bug 645: do flares for lights */
	for(i = 0; i < numEntities && emitFlares; i++)
	{
		entity_t       *light, *target;
		const char     *value, *flareShader;
		vec3_t          origin, targetOrigin, normal, color;
		int             lightStyle;


		/* get light */
		light = &entities[i];
		value = ValueForKey(light, "classname");
		if(!strcmp(value, "light"))
		{
			/* get flare shader */
			flareShader = ValueForKey(light, "_flareshader");
			value = ValueForKey(light, "_flare");
			if(flareShader[0] != '\0' || value[0] != '\0')
			{
				/* get specifics */
				GetVectorForKey(light, "origin", origin);
				GetVectorForKey(light, "_color", color);
				lightStyle = IntForKey(light, "_style");
				if(lightStyle == 0)
					lightStyle = IntForKey(light, "style");

				/* handle directional spotlights */
				value = ValueForKey(light, "target");
				if(value[0] != '\0')
				{
					/* get target light */
					target = FindTargetEntity(value);
					if(target != NULL)
					{
						GetVectorForKey(target, "origin", targetOrigin);
						VectorSubtract(targetOrigin, origin, normal);
						VectorNormalize(normal);
					}
				}
				else
					//% VectorClear( normal );
					VectorSet(normal, 0, 0, -1);

				/* create the flare surface (note shader defaults automatically) */
				DrawSurfaceForFlare(mapEntityNum, origin, normal, color, (char *)flareShader, lightStyle);
			}
		}
	}

	/* add references to the final drawsurfs in the apropriate clusters */
	FilterDrawsurfsIntoTree(e, tree);

	/* match drawsurfaces back to original brushsides (sof2) */
	FixBrushSides(e);

	/* finish */
	EndModel(e, tree->headnode);

#if 1
	if(drawBSP)
	{
		// draw unoptimized portals in new window
		drawTree = tree;
		Draw_Scene(DrawNodes);
	}
#endif

	FreeTree(tree);
}



/*
ProcessSubModel()
creates bsp + surfaces for other brush models
*/

void ProcessSubModel(void)
{
	entity_t       *e;
	tree_t         *tree;
	brush_t        *b, *bc;
	node_t         *node;

	/* start a brush model */
	BeginModel();
	e = &entities[mapEntityNum];
	e->firstDrawSurf = numMapDrawSurfs;

	/* ydnar: gs mods */
	ClearMetaTriangles();

	/* check for patches with adjacent edges that need to lod together */
	PatchMapDrawSurfs(e);

	/* allocate a tree */
	node = AllocNode();
	node->planenum = PLANENUM_LEAF;
	tree = AllocTree();
	tree->headnode = node;

	/* add the sides to the tree */
	ClipSidesIntoTree(e, tree);

	/* Tr3B: create drawsurfs for triangle models in Doom3 style */
	//AddTriangleModel(e);

	/* create drawsurfs for surface models */
	AddEntitySurfaceModels(e);

	/* generate bsp brushes from map brushes */
	EmitBrushes(e->brushes, &e->firstBrush, &e->numBrushes);

	/* just put all the brushes in headnode */
	for(b = e->brushes; b; b = b->next)
	{
		bc = CopyBrush(b);
		bc->next = node->brushlist;
		node->brushlist = bc;
	}

	/* subdivide each drawsurf as required by shader tesselation */
	if(!nosubdivide)
		SubdivideFaceSurfaces(e, tree);

	/* add in any vertexes required to fix t-junctions */
	if(!notjunc)
		FixTJunctions(e);

	/* ydnar: classify the surfaces and project lightmaps */
	ClassifyEntitySurfaces(e);

	/* ydnar: project decals */
	MakeEntityDecals(e);

	/* ydnar: meta surfaces */
	MakeEntityMetaTriangles(e);
	SmoothMetaTriangles();
	FixMetaTJunctions();
	MergeMetaTriangles();

	/* add references to the final drawsurfs in the apropriate clusters */
	FilterDrawsurfsIntoTree(e, tree);

	/* match drawsurfaces back to original brushsides (sof2) */
	FixBrushSides(e);

	/* finish */
	EndModel(e, node);
	FreeTree(tree);
}



/*
ProcessModels()
process world + other models into the bsp
*/

void ProcessModels(void)
{
	qboolean        oldVerbose;
	entity_t       *entity;
	const char     *classname;
	const char     *name;
	const char     *model;

	/* preserve -v setting */
	oldVerbose = verbose;

	/* start a new bsp */
	BeginBSPFile();

	/* create map fogs */
	CreateMapFogs();

	/* walk entity list */
	for(mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++)
	{
		/* get entity */
		entity = &entities[mapEntityNum];

		classname = ValueForKey(entity, "classname");
		model = ValueForKey(entity, "model");
		name = ValueForKey(entity, "name");

		if(entity->brushes || entity->patches ||
		   (inlineEntityModels && !entity->brushes && !entity->patches && model[0] != '\0' && Q_stricmp("misc_model", classname)))
		{
			/* process the model */
			Sys_FPrintf(SYS_VRB, "############### model %i '%s' ###############\n", numBSPModels, name);

			if(mapEntityNum == 0)
				ProcessWorldModel();
			else
				ProcessSubModel();

			/* potentially turn off the deluge of text */
			verbose = verboseEntities;
		}
	}

	/* restore -v setting */
	verbose = oldVerbose;

	/* write fogs */
	EmitFogs();

	/* vortex: emit meta stats */
	EmitMetaStats();
}



/*
OnlyEnts()
this is probably broken unless teamed with a radiant version that preserves entity order
*/

void OnlyEnts(void)
{
	char            out[1024];

	char            save_cmdline[1024], save_version[1024];
	const char     *p;

	/* note it */
	Sys_Printf("--- OnlyEnts ---\n");

	sprintf(out, "%s.bsp", source);
	LoadBSPFile(out);

	ParseEntities();
	p = ValueForKey(&entities[0], "_q3map2_cmdline");
	strncpy(save_cmdline, p, sizeof(save_cmdline));
	save_cmdline[sizeof(save_cmdline) - 1] = 0;
	p = ValueForKey(&entities[0], "_q3map2_version");
	strncpy(save_version, p, sizeof(save_version));
	save_version[sizeof(save_version) - 1] = 0;

	numEntities = 0;

	LoadShaderInfo();
	LoadMapFile(name, qfalse);
	SetModelNumbers();
	//% Tr3B: SetLightStyles();

	if(*save_cmdline)
		SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
	if(*save_version)
		SetKeyValue(&entities[0], "_q3map2_version", save_version);

	numBSPEntities = numEntities;
	UnparseEntities();

	WriteBSPFile(out);
}



/*
BSPMain() - ydnar
handles creation of a bsp from a map file
*/

int BSPMain(int argc, char **argv)
{
	int             i;
	char            path[1024], tempSource[1024];
	qboolean        onlyents = qfalse;


	/* note it */
	Sys_Printf("--- BSP ---\n");

	SetDrawSurfacesBuffer();
	mapDrawSurfs = safe_malloc(sizeof(mapDrawSurface_t) * MAX_MAP_DRAW_SURFS);
	memset(mapDrawSurfs, 0, sizeof(mapDrawSurface_t) * MAX_MAP_DRAW_SURFS);
	numMapDrawSurfs = 0;

	tempSource[0] = '\0';

	/* set standard game flags */
	maxSurfaceVerts = game->maxSurfaceVerts;
	maxLMSurfaceVerts = game->maxLMSurfaceVerts;
	maxSurfaceIndexes = game->maxSurfaceIndexes;
	emitFlares = game->emitFlares;

	/* process arguments */
	for(i = 1; i < (argc - 1); i++)
	{
		if(!strcmp(argv[i], "-onlyents"))
		{
			Sys_Printf("Running entity-only compile\n");
			onlyents = qtrue;
		}
		else if(!strcmp(argv[i], "-tempname"))
			strcpy(tempSource, argv[++i]);
		else if(!strcmp(argv[i], "-tmpout"))
			strcpy(outbase, "/tmp");
		else if(!strcmp(argv[i], "-nowater"))
		{
			Sys_Printf("Disabling water\n");
			nowater = qtrue;
		}
		else if(!strcmp(argv[i], "-nodetail"))
		{
			Sys_Printf("Ignoring detail brushes\n");
			nodetail = qtrue;
		}
		else if(!strcmp(argv[i], "-fulldetail"))
		{
			Sys_Printf("Turning detail brushes into structural brushes\n");
			fulldetail = qtrue;
		}
		else if(!strcmp(argv[i], "-nofog"))
		{
			Sys_Printf("Fog volumes disabled\n");
			nofog = qtrue;
		}
		else if(!strcmp(argv[i], "-nosubdivide"))
		{
			Sys_Printf("Disabling brush face subdivision\n");
			nosubdivide = qtrue;
		}
		else if(!strcmp(argv[i], "-leaktest"))
		{
			Sys_Printf("Leaktest enabled\n");
			leaktest = qtrue;
		}
		else if(!strcmp(argv[i], "-verboseentities"))
		{
			Sys_Printf("Verbose entities enabled\n");
			verboseEntities = qtrue;
		}
		else if(!strcmp(argv[i], "-nocurves"))
		{
			Sys_Printf("Ignoring curved surfaces (patches)\n");
			noCurveBrushes = qtrue;
		}
		else if(!strcmp(argv[i], "-notjunc"))
		{
			Sys_Printf("T-junction fixing disabled\n");
			notjunc = qtrue;
		}
		else if(!strcmp(argv[i], "-fakemap"))
		{
			Sys_Printf("Generating fakemap.map\n");
			fakemap = qtrue;
		}
		else if(!strcmp(argv[i], "-samplesize"))
		{
			sampleSize = atoi(argv[i + 1]);
			if(sampleSize < 1)
				sampleSize = 1;
			i++;
			Sys_Printf("Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize);
		}
		else if(!strcmp(argv[i], "-minsamplesize"))
		{
			minSampleSize = atoi(argv[i + 1]);
			if(minSampleSize < 1)
				minSampleSize = 1;
			i++;
			Sys_Printf("Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize);
		}
		else if(!strcmp(argv[i], "-custinfoparms"))
		{
			Sys_Printf("Custom info parms enabled\n");
			useCustomInfoParms = qtrue;
		}

		/* sof2 args */
		else if(!strcmp(argv[i], "-rename"))
		{
			Sys_Printf("Appending _bsp suffix to misc_model shaders (SOF2)\n");
			renameModelShaders = qtrue;
		}

		/* ydnar args */
		else if(!strcmp(argv[i], "-ne"))
		{
			normalEpsilon = atof(argv[i + 1]);
			i++;
			Sys_Printf("Normal epsilon set to %f\n", normalEpsilon);
		}
		else if(!strcmp(argv[i], "-de"))
		{
			distanceEpsilon = atof(argv[i + 1]);
			i++;
			Sys_Printf("Distance epsilon set to %f\n", distanceEpsilon);
		}
		else if(!strcmp(argv[i], "-mv"))
		{
			maxLMSurfaceVerts = atoi(argv[i + 1]);
			if(maxLMSurfaceVerts < 3)
				maxLMSurfaceVerts = 3;
			if(maxLMSurfaceVerts > maxSurfaceVerts)
				maxSurfaceVerts = maxLMSurfaceVerts;
			i++;
			Sys_Printf("Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts);
		}
		else if(!strcmp(argv[i], "-mi"))
		{
			maxSurfaceIndexes = atoi(argv[i + 1]);
			if(maxSurfaceIndexes < 3)
				maxSurfaceIndexes = 3;
			i++;
			Sys_Printf("Maximum per-surface index count set to %d\n", maxSurfaceIndexes);
		}
		else if(!strcmp(argv[i], "-np"))
		{
			npDegrees = atof(argv[i + 1]);
			if(npDegrees < 0.0f)
				shadeAngleDegrees = 0.0f;
			else if(npDegrees > 0.0f)
				Sys_Printf("Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees);
			i++;
		}
		else if(!strcmp(argv[i], "-snap"))
		{
			bevelSnap = atoi(argv[i + 1]);
			if(bevelSnap < 0)
				bevelSnap = 0;
			i++;
			if(bevelSnap > 0)
				Sys_Printf("Snapping brush bevel planes to %d units\n", bevelSnap);
		}
		else if(!strcmp(argv[i], "-texrange"))
		{
			texRange = atoi(argv[i + 1]);
			if(texRange < 0)
				texRange = 0;
			i++;
			Sys_Printf("Limiting per-surface texture range to %d texels\n", texRange);
		}
		else if(!strcmp(argv[i], "-nohint"))
		{
			Sys_Printf("Hint brushes disabled\n");
			noHint = qtrue;
		}
		else if(!strcmp(argv[i], "-flat"))
		{
			Sys_Printf("Flatshading enabled\n");
			flat = qtrue;
		}
		else if(!strcmp(argv[i], "-meta"))
		{
			Sys_Printf("Creating meta surfaces from brush faces\n");
			meta = qtrue;
		}
		else if(!strcmp(argv[i], "-patchmeta"))
		{
			Sys_Printf("Creating meta surfaces from patches\n");
			patchMeta = qtrue;
		}
		else if(!strcmp(argv[i], "-flares"))
		{
			Sys_Printf("Flare surfaces enabled\n");
			emitFlares = qtrue;
		}
		else if(!strcmp(argv[i], "-noflares"))
		{
			Sys_Printf("Flare surfaces disabled\n");
			emitFlares = qfalse;
		}
		else if(!strcmp(argv[i], "-skyfix"))
		{
			Sys_Printf("GL_CLAMP sky fix/hack/workaround enabled\n");
			skyFixHack = qtrue;
		}
		else if(!strcmp(argv[i], "-debugsurfaces"))
		{
			Sys_Printf("emitting debug surfaces\n");
			debugSurfaces = qtrue;
		}
		else if(!strcmp(argv[i], "-debuginset"))
		{
			Sys_Printf("Debug surface triangle insetting enabled\n");
			debugInset = qtrue;
		}
		else if(!strcmp(argv[i], "-debugportals"))
		{
			Sys_Printf("Debug portal surfaces enabled\n");
			debugPortals = qtrue;
		}
		else if(!strcmp(argv[i], "-altsplit"))
		{
			Sys_Printf("Alternate BSP splitting (by 27) enabled\n");
			bspAlternateSplitWeights = qtrue;
		}
		else if(!strcmp(argv[i], "-deep"))
		{
			Sys_Printf("Deep BSP tree generation enabled\n");
			deepBSP = qtrue;
		}
		else if(!strcmp(argv[i], "-bsp"))
		{
			Sys_Printf("-bsp argument unnecessary\n");
		}
		else if(!strcmp(argv[i], "-draw"))
		{
			Sys_Printf("SDL BSP tree viewer enabled\n");
			drawBSP = qtrue;
		}
		else
		{
			Sys_Printf("WARNING: Unknown option \"%s\"\n", argv[i]);
		}
	}

	/* fixme: print more useful usage here */
	if(i != (argc - 1))
		Error("usage: dsxmap [options] mapfile");

	/* copy source name */
	strcpy(source, ExpandArg(argv[i]));
	StripExtension(source);

	/* ydnar: set default sample size */
	SetDefaultSampleSize(sampleSize);

	/* delete portal, line and surface files */
	sprintf(path, "%s.prt", source);
	remove(path);
	sprintf(path, "%s.lin", source);
	remove(path);
	//% sprintf( path, "%s.srf", source );  /* ydnar */
	//% remove( path );

	/* expand mapname */
	strcpy(name, ExpandArg(argv[i]));
	if(strcmp(name + strlen(name) - 4, ".reg"))
	{
		/* if we are doing a full map, delete the last saved region map */
		sprintf(path, "%s.reg", source);
		remove(path);
		DefaultExtension(name, ".map");	/* might be .reg */
	}

	/* if onlyents, just grab the entites and resave */
	if(onlyents)
	{
		OnlyEnts();
		return 0;
	}

	/* load shaders */
	LoadShaderInfo();

	/* load original file from temp spot in case it was renamed by the editor on the way in */
	if(strlen(tempSource) > 0)
		LoadMapFile(tempSource, qfalse);
	else
		LoadMapFile(name, qfalse);

	/* div0: inject command line parameters */
	InjectCommandLine(argv, 1, argc - 1);

	/* ydnar: decal setup */
	ProcessDecals();

	/* process world and submodels */
	ProcessModels();

	/* ydnar: cloned brush model entities */
	SetCloneModelNumbers();

	/* set light styles from targetted light entities */
	//% Tr3B: SetLightStyles();

	/* process in game advertisements */
	ProcessAdvertisements();

	/* finish and write bsp */
	EndBSPFile();

	/* remove temp map source file if appropriate */
	if(strlen(tempSource) > 0)
		remove(tempSource);

	/* return to sender */
	return 0;
}
